FVXX20 KNES 271239 VA ADVISORY DTG: 20160427/1239Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0201 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2016/026 INFO SOURCE: GOES-EAST. GFS WINDS. ERUPTION DETAILS: OCNL EMISSIONS OBS VA DTG: 27/1145Z OBS VA CLD: SFC/FL190 S0150 W07841 - S0158 W07819 - S0202 W07822 - S0156 W07845 - S0150 W07841 MOV W 15KT FCST VA CLD +6HR: 27/1800Z SFC/FL190 S0156 W07844 - S0159 W07819 - S0205 W07820 - S0204 W07846 - S0156 W07844 FCST VA CLD +12HR: 28/0000Z SFC/FL190 S0156 W07850 - S0159 W07819 - S0205 W07818 - S0207 W07850 - S0156 W07850 FCST VA CLD +18HR: 28/0600Z SFC/FL190 S0156 W07851 - S0159 W07819 - S0205 W07819 - S0207 W07850 - S0156 W07851 RMK: VISIBLE STLT IMAGERY SHOWED A PLUME OF PSBL VA EXTG UP TO 21 NM WNW OF THE SUMMIT. LTL CHANGE FCST IN NEXT 18 HRS. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20160427/1845Z